Category Nuances for penknife:

• sharp,
• dangerous,
• metal,
• basic,
• personal,
• finer,
• metallic,
• thin,
• archaeological,
• pointed,
• useful,
• small,
• cheap,
• restricted,

Simple Categories for penknife:

• item,
• utensil,
• thing,
• knife,
• object,
• toiletry,
• tool,
• implement,
• article,
• equipment,